Spiny cocklebur, Xanthium
spinosum L., non-nativealso called "spiny clodbur"- a dicot in the Asteraceae family
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Spiny cocklebur grows to 2 feet tall. The rounded cluster on the very
top are the males flowers.
The female flowers are lower on the plant and form the burs after being
pollinated from the male
flowers above. Below is a specimen without thorns but has a 12 spotted
cucumber beetle visiting. This plant is also lovingly called the "Velcro
weed."
common in western meadow
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